That said, there are a number of professional tree climbing guides who offer an engaging experience & definitely worth a visit if you find yourself in their neck of the woods. Every tree, location, and facilitator provide a unique experience!
Additional Recreational Tree Climbing opportunities in Wisconsin:
House In The Wood (Delavan, WI)
Riveredge Nature Center
(Newburg, WI)
Wisconsin Arborist Association (Offering Kids Climbs periodically around the state at special events)
Recreational Tree Climbing beyond Wisconsin:
Camp Manitoqua & Retreat Center (Frankfort, IL)
Vertical Voyages - rock & tree climbing adventures (St. Louis, MO)
Adventure Tree (Ithaca, NY & St. Louis, MO)
Common Ground Center (Oberlin, OH)
Tree Climbing Colorado (Denver, CO)
Tree Monkey Project (San Rafael, CA)
Sequoia Ascents (Mendocino, CA)
Treewolf (Oakland, CA)
Tree Climbing Canada (Norfolk County, Ontario, CAN)